<template>
  <div>
<!--  面包屑导航区域-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>商品管理</el-breadcrumb-item>
      <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

<!--    卡片视图区域-->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容"
                    v-model="queryInfo.query"
                    clearable @clear="getGoodsList">
            <el-button slot="append"
                       icon="el-icon-search"
                       @click="getGoodsList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddpage">添加商品</el-button>
        </el-col>
      </el-row>

<!--      table表格区域-->
      <el-table :data="goodslist" border stripe>
        <el-table-colunm type="index"></el-table-colunm>
        <el-table-colunm label="商品名称"
                         prop="goods_name"></el-table-colunm>
        <el-table-colunm label="商品价值（元）"
                         prop="goods_price"
                         width="95px"></el-table-colunm>
        <el-table-colunm label="商品重量"
                         prop="goods_weight"
                         width="70px"></el-table-colunm>
        <el-table-colunm label="创建时间"
                         prop="add_time"
                         width="140px">
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-colunm>
        <el-table-colunm label="操作"
                         width="130px">
          <template slot-scope="scope">
<!--            修改按钮-->
            <el-button type="primary"
                       icon="el-icon-edit"
                       size="mini">
            </el-button>
<!--            删除按钮-->
            <el-button type="danger"
                       icon="el-icon-delete"
                       size="mini"
                       @click="removeById(scope.row.goods_id)">
            </el-button>
          </template>
        </el-table-colunm>
      </el-table>

<!--      分页区域-->
      <el-pagination @size-change="handleSizeChange"
              @current-change="handleCurrentChange"
              :current-page="queryInfo.pagenum"
              :page-sizes="[5, 10, 15, 20]"
              :page-size="100"
              layout="total, sizes, prev, pager, next, jumper"
              :total="total"
              background>
      </el-pagination>
    </el-card>
  </div>
</template>

<script>
export default {
  data(){
    return{
      //查询参数对象
      queryInfo:{
        query:'',
        pagenum: 1,
        pagesize: 10
      },
      //商品列表
      goodslist:[],
      //总数据条数
      total: 0
    }
  },
  created(){
    //获取所有的商品列表
    this.getGoodsList()
  },
  methods:{
    //根据分页获取对应的商品列表
    async getGoodsList(){
      const {data:res} = await this.$http.get('goods',
          { params:this.queryInfo })

      if(res.meta.status !== 200){
        return this.$message.error('获取商品列表失败！')
      }
      this.$message.success('获取商品列表成功！')
      console.log(res.data);
      this.goodslist = res.data.goodslist
      this.total = res.data.total
    },
    handleSizeChange(newSize){
      this.queryInfo.pagesize = newSize
      //重新获取数据
      this.getGoodsList()
    },
    //页码值发生变化时获取最新的页码值
    handleCurrentChange(newPage){
      this.querInfo.pagenum = newPage
      //重新获取数据
      this.getGoodsList()
    },
    //删除id
    async removeById(){
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)

      if(confirmResult !== 'confirm'){
        return this.$message.info('已经取消删除！')
      }

      const {data:res} = await this.$http.delete(`goods/${id}`)

      if(res.meta.status !== 200){
        return this.$message.error('删除失败！')
      }

      this.$message.success('删除成功！')
      this.getGoodsList()
    },
    goAddpage(){
      //点击添加商品按钮跳转至/goods/add地址
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>

</style>


